WO2001021518A8 - Safe cut-off blade assembly - Google Patents

Safe cut-off blade assembly

Info

Publication number
WO2001021518A8
WO2001021518A8 PCT/US1999/028134 US9928134W WO0121518A8 WO 2001021518 A8 WO2001021518 A8 WO 2001021518A8 US 9928134 W US9928134 W US 9928134W WO 0121518 A8 WO0121518 A8 WO 0121518A8
Authority
WO
WIPO (PCT)
Prior art keywords
primary teeth
blade
points
teeth
cut
Prior art date
Application number
PCT/US1999/028134
Other languages
French (fr)
Other versions
WO2001021518A1 (en
Inventor
James F Pitzen
Original Assignee
3M Innovative Properties Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Priority to DE1999615707 priority Critical patent/DE69915707T2/en
Priority to EP99968052A priority patent/EP1198404B1/en
Priority to AU24745/00A priority patent/AU2474500A/en
Publication of WO2001021518A1 publication Critical patent/WO2001021518A1/en
Publication of WO2001021518A8 publication Critical patent/WO2001021518A8/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
    • B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
    • B65H35/002—Hand-held or table apparatus
    • B65H35/0026—Hand-held or table apparatus for delivering pressure-sensitive adhesive tape
    • B65H35/004—Hand-held or table apparatus for delivering pressure-sensitive adhesive tape simultaneously with a second roll, e.g. masking tape
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F3/00—Severing by means other than cutting; Apparatus therefor
    • B26F3/02—Tearing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2407/00—Means not provided for in groups B65H2220/00 – B65H2406/00 specially adapted for particular purposes
    • B65H2407/10—Safety means, e.g. for preventing injuries or illegal operations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12—Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1348—Work traversing type
    • Y10T156/1365—Fixed cutter
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/18—Surface bonding means and/or assembly means with handle or handgrip
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T225/00—Severing by tearing or breaking
    • Y10T225/20—Severing by manually forcing against fixed edge
    • Y10T225/215—With blade-edge guard
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T225/00—Severing by tearing or breaking
    • Y10T225/20—Severing by manually forcing against fixed edge
    • Y10T225/298—Blades or severing devices
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9319—Toothed blade or tooth therefor
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9319—Toothed blade or tooth therefor
    • Y10T83/9362—Teeth having transversely curved cutting edge
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9319—Toothed blade or tooth therefor
    • Y10T83/9365—Teeth having cutting edge parallel to blade surface
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9319—Toothed blade or tooth therefor
    • Y10T83/9367—Teeth having cutting edge perpendicular to blade surface

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Knives (AREA)

Abstract

A cut-off blade assembly (11, 50, 61) including a thin metal blade (30, 60) having an attachment portion (34, 64) by which the cut-off blade assembly can be attached to a dispenser, and a plurality of projecting similarly shaped triangular primary teeth (36, 66). The triangular primary teeth each have two sides terminating in points (41, 71) and have bases adjacent the attachement portion that are aligned in a first direction along the blade so that their points project generally at right angles to that first direction. Edge surfaces on the sides and at the points of the primary teeth intersect a major surface of the primary teeth at an included angle of no greater than about 90 degrees to define a cutting edge at that intersection. The cut-off blade assembly further includes projections (44, 54, 74) along one major surface (32, 31A) of the primary teeth. Those projections have distal ends positioned adjacent the points of the primary teeth, have sufficient thickness at the points in a direction normal to the major surfaces of the primary teeth to restrict inadvertent contact between a person and the cutting edge of the cutting blade, and are shaped and positioned to extend only along the primary teeth to afford easy cutting of sheet material pressed against the cutting edge of the primary teeth and free movement of the end of the sheet material being cut over the primary teeth. The primary teeth may intersect each other, or may be spaced apart and the blade may include recessed secondary teeth (75) defining portions of the cutting edge therebetween.
PCT/US1999/028134 1999-07-21 1999-11-24 Safe cut-off blade assembly WO2001021518A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
DE1999615707 DE69915707T2 (en) 1999-07-21 1999-11-24 SAFETY KNIFE CUTTING UNIT
EP99968052A EP1198404B1 (en) 1999-07-21 1999-11-24 Safe cut-off blade assembly
AU24745/00A AU2474500A (en) 1999-07-21 1999-11-24 Safe cut-off blade assembly

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/362,634 1999-07-21
US09/362,634 US6367533B1 (en) 1999-07-21 1999-07-21 Safe cut-off blade assembly

Publications (2)

Publication Number Publication Date
WO2001021518A1 WO2001021518A1 (en) 2001-03-29
WO2001021518A8 true WO2001021518A8 (en) 2001-11-01

Family

ID=23426900

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1999/028134 WO2001021518A1 (en) 1999-07-21 1999-11-24 Safe cut-off blade assembly

Country Status (5)

Country Link
US (1) US6367533B1 (en)
EP (1) EP1198404B1 (en)
AU (1) AU2474500A (en)
DE (1) DE69915707T2 (en)
WO (1) WO2001021518A1 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7451677B2 (en) * 2003-01-27 2008-11-18 Eugene Carbide Saw & Machine, Inc. Saw blade with secondary teeth
US20050103171A1 (en) * 2003-11-19 2005-05-19 Bradbury Philip E. Methods and apparatus for cutting a moving material
US7290341B2 (en) * 2005-04-29 2007-11-06 Phillip Kooima Beveled edge thin cutting knife
US20070010389A1 (en) * 2005-07-01 2007-01-11 Scott Paper Limited Hands-free towel dispenser
US7353606B2 (en) * 2005-07-28 2008-04-08 Cari Ann Hudgins Hair cutting and styling razor
US20080156444A1 (en) * 2006-12-28 2008-07-03 3M Innovative Properties Company Tape and Masking Material Composite
DE102009008819A1 (en) * 2009-02-13 2010-08-19 Andreas Stihl Ag & Co. Kg Knife arrangement of a hedge trimmer
US8186611B1 (en) 2010-03-10 2012-05-29 Kooima Company Segmented knife assembly with replaceable wear segments
IT1399769B1 (en) * 2010-05-04 2013-05-03 Flii Mazzucchelli S N C TAPE DISPENSER WITH SAFETY CUTTING DEVICE
US9199819B2 (en) * 2012-06-26 2015-12-01 Kitaru Innovations Inc. Tape dispenser with improved cutter assembly
US9713877B2 (en) 2014-11-12 2017-07-25 Medline Industries, Inc. Clipper head with drag reduction
USD779123S1 (en) 2014-11-12 2017-02-14 Medline Industries, Inc. Clipper head
EP3288727B1 (en) 2015-04-28 2019-09-04 Koninklijke Philips N.V. Blade set and hair cutting appliance
US20160355365A1 (en) * 2015-06-02 2016-12-08 Thogus Products Company Tape dispenser, cutting blade and method
USD795497S1 (en) 2016-01-15 2017-08-22 Medline Industries, Inc. Clipper
USD794871S1 (en) 2016-01-15 2017-08-15 Medline Industries, Inc. Clipper
USD802215S1 (en) 2016-06-10 2017-11-07 Medline Industries, Inc. Clipper head
USD802217S1 (en) 2016-06-10 2017-11-07 Medline Industries, Inc. Clipper head
USD802216S1 (en) 2016-06-10 2017-11-07 Medline Industries, Inc. Clipper head
USD802214S1 (en) 2016-06-10 2017-11-07 Medline Industries, Inc. Clipper head
US11044852B2 (en) 2019-05-21 2021-06-29 Kooima Ag, Inc. Agricultural knife with primary and secondary serrations

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2043998A (en) 1933-03-28 1936-06-16 Demosthenes B Hadjopoulos Safety razor and razor blade
US3567557A (en) 1968-08-22 1971-03-02 John D Kingery Masking tape and masking paper applicator
US3797110A (en) 1972-04-21 1974-03-19 G Michelson Razor with guarded razor edge
US4175685A (en) 1978-06-23 1979-11-27 Minnesota Mining And Manufacturing Company Tape dispenser with blade guard
US4426029A (en) 1981-12-30 1984-01-17 Union Carbide Corporation Safety blade for severing stretchable film
US4458570A (en) * 1982-01-25 1984-07-10 Marvin Glass & Associates Sheet material dispenser
US5113921A (en) 1987-11-02 1992-05-19 Minnesota Mining And Manufacturing Company Sheet material for masking apparatus
SE460263B (en) 1988-03-04 1989-09-25 Sprayway Maskin Ab DEVICE FOR APPLICATION OF TABLE MATERIALS IN THE FORM OF A ROLL
US4913767A (en) 1988-12-12 1990-04-03 Minnesota Mining And Manufacturing Company Cut off blade for severing multiple layers of thin polymeric sheet material
US4990214A (en) 1989-03-20 1991-02-05 Minnesota Mining And Manufacturing Company Masking device with tape tracking member
US4989769A (en) 1989-07-20 1991-02-05 Minnesota Mining And Manufacturing Company Blade guard
US5297342A (en) * 1991-11-12 1994-03-29 Hoechst Celanese Corporation Safety scissors
US5504997A (en) * 1994-10-18 1996-04-09 Lee; Ming H. Blade holder assembly for an electric razor
US6039102A (en) * 1997-05-14 2000-03-21 3M Innovative Properties Company Sheet material dispenser with safer sheet cutting means
DE59801180D1 (en) 1997-05-15 2001-09-13 Schott Ml Gmbh METHOD AND DEVICE FOR PRODUCING A HOMOGENEOUS, STRIP-FREE QUARTZ GLASS PLATE
DE29720059U1 (en) * 1997-11-12 1998-01-08 Wan Wen scissors

Also Published As

Publication number Publication date
AU2474500A (en) 2001-04-24
WO2001021518A1 (en) 2001-03-29
EP1198404B1 (en) 2004-03-17
DE69915707D1 (en) 2004-04-22
DE69915707T2 (en) 2005-01-13
US6367533B1 (en) 2002-04-09
EP1198404A1 (en) 2002-04-24

Similar Documents

Publication Publication Date Title
WO2001021518A8 (en) Safe cut-off blade assembly
CA2415816A1 (en) Structural saw blade
EP0064190A3 (en) A shaving implement
US6655029B2 (en) Safety razor
KR920017750A (en) Drawaway tip
CA2106082A1 (en) Safety razors
WO1983003072A1 (en) A razor blade assembly
AU2188895A (en) A cutting insert
EP1226892A3 (en) Cutting tool
KR860008822A (en) Positive Slowaway Tip
CA2164605A1 (en) Safety blade for utility knife
US4495697A (en) Plasterboard trimming tool
WO2006137050A8 (en) Cutting insert
JPH0810528Y2 (en) Armor for cutting blade
DE1816416C2 (en) Cutter knife
ES2044287T3 (en) APPARATUS FOR CUTTING SHEAR A STACK OF AMORPHOUS STEEL SHEETS.
KR940000219A (en) Safety scissors
CA2299446A1 (en) Strip-shaped or reciprocating knife
WO2002062538A8 (en) Dry shaver for variable height of cut
CA2254096A1 (en) Cutting tooth for earthworking
KR940021161A (en) Insert tips
USD404633S (en) Knife blade
USD452626S1 (en) Bridge top
USD419842S (en) Electrician's scissors
KR100684066B1 (en) Notched single-edge thinning scissors

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): JP

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): GH GM KE LS MW SD SL SZ TZ UG ZW AM AZ BY KG KZ MD RU TJ TM AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE BF BJ

DFPE Request for preliminary examination filed prior to expiration of 19th month from priority date (pct application filed before 20040101)
121 Ep: the epo has been informed by wipo that ep was designated in this application
AK Designated states

Kind code of ref document: C1

Designated state(s): JP

AL Designated countries for regional patents

Kind code of ref document: C1

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LU MC NL PT SE

CFP Corrected version of a pamphlet front page
CR1 Correction of entry in section i

Free format text: PAT. BUL. 13/2001 UNDER (81) DELETE "AE, AL, AM, AT, AT (UTILITY MODEL), AU, AZ, BA, BB, BG, BR, BY, CA, CH, CN, CR, CU, CZ, CZ (UTILITY MODEL), DE, DE (UTILITY MODEL), DK, DK (UTILITY MODEL), DM, EE, EE (UTILITY MODEL), ES, FI, FI (UTILITY MODEL), GB, GD, GE, GH, GM, HR, HU, ID, IL, IN, IS, KE, KG, KP, KR, KZ, LC, LK, LR, LS, LT, LU, LV, MA, MD, MG, MK, MN, MW, MX, NO, NZ, PL, PT, RO, RU, SD, SE, SG, SI, SK, SK (UTILITY MODEL), SL, TJ, TM, TR, TT, TZ, UA, UG, UZ, VN, YU, ZA, ZW" AND UNDER (84) DELETE "AP (GH, GM, KE, LS, MW, SD, SL, SZ, TZ, UG, ZW); EA (AM, AZ, BY, KG, KZ, MD, RU, TJ, TM); OA (BF, BJ, CF, CG, CI, CM, GA, GN, GW, ML, MR, NE, SN, TD, TG)

WWE Wipo information: entry into national phase

Ref document number: 1999968052

Country of ref document: EP

WWP Wipo information: published in national office

Ref document number: 1999968052

Country of ref document: EP

REG Reference to national code

Ref country code: DE

Ref legal event code: 8642

WWG Wipo information: grant in national office

Ref document number: 1999968052

Country of ref document: EP